81435870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39341}}^1$

素因数の和:39377

約数の個数: 48

約数和(自身を含む): 220944672

約数和(自身を除く): 139508802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 39341, 78682, 118023, 196705, 236046, 354069, 393410, 590115, 708138, 904843, 1180230, 1770345, 1809686, 2714529, 3540690, 4524215, 5429058, 8143587, 9048430, 13572645, 16287174, 27145290, 40717935, 81435870]

約数ペア:

[(1, 81435870), (2, 40717935), (3, 27145290), (5, 16287174), (6, 13572645), (9, 9048430), (10, 8143587), (15, 5429058), (18, 4524215), (23, 3540690), (30, 2714529), (45, 1809686), (46, 1770345), (69, 1180230), (90, 904843), (115, 708138), (138, 590115), (207, 393410), (230, 354069), (345, 236046), (414, 196705), (690, 118023), (1035, 78682), (2070, 39341)]